Accessible Color Simulator

Simulate or calculate an accessibility scenario locally for inspection and testing.

Local accessibility utility. Analysis runs in your browser; no accessibility claim is sent to an external service.

Tool
Accessible Color simulator
Mode
Local / deterministic
Accessible color preview
Contrast ratio: 21.00:1 WCAG AA normal text (4.5:1): PASS WCAG AA large text (3:1): PASS WCAG AAA normal text (7:1): PASS
Accessible Color SIMULATOR

Foreground: #000000
Background: #ffffff

Contrast ratio: 21.00:1
WCAG AA normal text (4.5:1): PASS
WCAG AA large text (3:1): PASS
WCAG AAA normal text (7:1): PASS

Tip: check the actual text size and UI context before shipping.

What this tool does

Simulate or calculate an accessibility scenario locally for inspection and testing. Results can be copied or downloaded from this page.

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